This 17th-century Portuguese fort now houses a nautical museum.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

A sulfuric martian landscape that looks far better than it smells.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

An ancient Phoenician citadel once stood at the site where Queen Dido first landed, according to legend.

This museum in the famously blue neighborhood of Sidi Bou Saïd showcases a traditional Tunisian lifestyle.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

Founded in 670, this ancient mosque is an architectural time portal.

These 400-year-old ruins are all that's left of the monastery where Ines de Castro was assassinated by the King of Portugal.

Nicknamed "Karri Knight," this Eucalyptus was planted in 1895 and stands at 72 meters.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

The oldest housing complex in Riga is a mini timeline of architectural trends.

3,000 market stands in five former Zeppelin hangars.

Over time, this castle grew to encompass the entire island.

The Guardian of Tallinn.

In one of the smallest countries in the world stands an original Salvador Dalí sculpture.

Baroque celebration of the end of the Great Plague of Vienna.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This church is named for one of the most dramatic tales in the early Christian church.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A museum dedicated to the former country.